- Exam
- JEE Main
- Year
- 2022
- Date
- 26 July
- Shift
- Morning Shift
- Subject
- Chemistry
- Chapter
- Haloalkanes and Haloarenes
JEE Main 2022 · 26 July · Morning Shift · Chemistry · Haloalkanes and Haloarenes
Given below are two statements: one is labelled as Assertion (A)...
Given below are two statements: one is labelled as Assertion .
Assertion \left(A\right){CH}_{3}Cl{AlCl}_{3}o and p : The group of aniline becomes deactivating because of salt formation with anhydrous and hence yields -methyl aniline as the product.
In the light of the above statements, choose the most appropriate answer from the options given below
Options
- ABoth and \left(R\right) is the correct explanation of \left(A\right)$.
- BBoth and \left(R\right) is not the correct explanation of \left(A\right).
- C is true, but is false.
- D is false, but is true.
Correct answer
C. is true, but is false.
Step-by-step solution
Under the Friedel Craft Reaction condition, the aniline (a Lewis base) binds to the electrophile (a Lewis acid) to give a coordination complex (a salt). Then, the positive charge on the nitrogen is electron withdrawing, and it pulls the electron density of the aromatic ring by . It therefore, deactivates the ring for further alkylation reactions. Finally, the complex precipitates out of the reaction mixture and the alkylation reaction is not observed.